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Finding the Fourth Proportional to 712,967.93, 983,527.73 and 483,447.55

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Solution

The fourth proportional to 712,967.93, 983,527.73 and 483,447.55 is: 666,908.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,967.93 : 983,527.73 = 483,447.55 : x
  2. Step 2: Convert to fraction form
    712,967.93/983,527.73 = 483,447.55/x
  3. Step 3: Cross multiply
    712,967.93x = 983,527.73 × 483,447.55
  4. Step 4: Simplify right side
    712,967.93x = 475,484,070,175.36
  5. Step 5: Solve for x
    x = 475,484,070,175.36/712,967.93
  6. Step 6: Final answer
    x = 666,908.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.